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wheel offsets back space

Started by _ChiaLX_ , May 22 2006 12:23 PM

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5 replies to this topic

#1 _ChiaLX_

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Posted 22 May 2006 - 12:23 PM

Edit : not sure if this has been posted but it helped me.

As the topic says here is a link to help you work out offsets, backspace and pcd's. this might give CHOPPER a break from repeating the same answers .

Hope this clears this up for a few people
Mick

http://www.rsracing.....html#backspace

Edited by ChiaLX, 22 May 2006 - 12:29 PM.

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#2 _CHOPPER_

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Posted 22 May 2006 - 06:30 PM

That has been posted before. Be very carefull when using the Backspace to Offset Conversion Chart, as wheels with outers made of different materials will give different results. Normally the discrepancy should be less than 6 MM, but it needs to be kept in mind.

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#3 Toranavista

'Let There Be Rock' 1977

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Posted 22 May 2006 - 07:18 PM

Agree the offset conversion chart makes no sense.

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#4 _ChiaLX_

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Posted 22 May 2006 - 07:44 PM

Yeah not sure if i would use the chart . The explanations of how to determine your offset and where backspace is measured from is handy for novices like me though.

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#5 _CHOPPER_

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Posted 22 May 2006 - 08:03 PM

The backspace chart assumes the rim lip is 1/2" thick. This is true for most aluminium alloy rims, but not for Simmons, rims with rolled steel outers and a handfull of others.